Title:
HEAT CONDUCTIVE URETHANE RESIN COMPOSITION AND CURED PRODUCT
Document Type and Number:
WIPO Patent Application WO/2022/215326
Kind Code:
A1
Abstract:
This heat conductive urethane resin composition contains a castor oil-based polyol, a polyisocyanate compound, and a filler, the heat conductive urethane resin composition being characterized in that: the equivalent ratio (NCO/OH) of the isocyanate group of the polyisocyanate compound to the hydroxyl group of the castor oil-based polyol is 0.8-1.6; the filler contains a filler (A) having an average particle diameter of 0.03-10 μm; and the filler (A) is surface-treated by using a specific surface treatment agent.
Inventors:
FUNAHASHI HAJIME (JP)
MINORIKAWA NAOKI (JP)
SATOH HIKARU (JP)
KOBAYASHI IKUE (JP)
YUKUTAKE HAJIME (JP)
IEMURA TAKESHI (JP)
MINORIKAWA NAOKI (JP)
SATOH HIKARU (JP)
KOBAYASHI IKUE (JP)
YUKUTAKE HAJIME (JP)
IEMURA TAKESHI (JP)
Application Number:
PCT/JP2022/003250
Publication Date:
October 13, 2022
Filing Date:
January 28, 2022
Export Citation:
Assignee:
SHOWA DENKO KK (JP)
International Classes:
C08G18/36; C08G18/08; C08K9/06; C08L75/04; H01L23/373
Foreign References:
| CN112322028A | 2021-02-05 | |||
| JP2004300300A | 2004-10-28 | |||
| JP2020073623A | 2020-05-14 | |||
| JP2021178922A | 2021-11-18 |
Other References:
THE TRC NEWS, October 2016 (2016-10-01)
See also references of EP 4095175A4
See also references of EP 4095175A4
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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